Stephacharopa calderaensis Miquel & Araya, 2013

Stephacharopa calderaensis Miquel & Araya, 2013: 227, figs 2-5

Material examined.

El Morro hills (27°8'33"S, 70°55'35"W), Commune of Caldera, August 2012, JFA 100127, 37 specimens MZUC 39613 (lot), RMNH.MOL 329670 (lot). Quebrada del León sector (26°57'S, 70°44'W), JFA 100128, 12 specimens.

Diagnosis.

This species has a tiny (largest specimen: 3.1 mm width), orbicular, low-spired shell, sculptured by numerous axial lamellae (about 90-95 in last whorl), with a depressed apex, a thin and brownish periostracum and an ample umbilicus. Live animals are unknown.

Distribution and remarks.

According to Miquel and Araya (2013) this species has a patchy distribution, having been found only in the vicinites of the port of Caldera, Region of Atacama, Chile.